A bill that would require new cars to operate using more efficient gasoline and sunset the Renewable Fuel Standard drew praise and criticism at a House Subcommittee on Environment hearing.

The 21st Century Transportation Fuels Act (section-by-section summary here) requires manufacturers of light-duty vehicles model years 2023 and later to design motor vehicles to operate using gasoline with research octane number (RON) of 95 or higher and improve fuel economy connected to the use of 95 RON or higher level gasoline.

By Alexander Laska, Eno Center for Transportation